Add basic linters

.github/workflows/linters.yaml

@@ -0,0 +1,30 @@
+name: Linters
+
+on:
+  pull_request:
+    branches:
+      - '**'
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+      - name: Python Setup
+        uses: actions/setup-python@v3
+        with:
+          python-version: 3.13
+
+      - name: Install libraries
+        run: |
+          pip install -e .[development]
+
+      - name: mypy
+        run: mypy ./src
+
+      - name: ruff
+        run: ruff check .
+
+      - name: flake8
+        run: flake8 .

setup.py

@@ -1,7 +1,9 @@
 from setuptools import setup
 
+
 def main() -> None:
     setup()
 
+
 if __name__ == '__main__':
     main()

src/app/hello.py

@@ -1,2 +1,2 @@
 def hello():
-    print('ABC')
+    print('ABC')